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1306 Commits

Author SHA1 Message Date
Keith Randall
2598ed0758 misc/cgo: fix test on iOS
The test in CL 123715 doesn't work on iOS, it needs to use a different
version scheme to determine whether SecKeyAlgorithm and friends exist.
Restrict the old version test to OSX only.

The same problem occurs on iOS: the functions tested don't exist before
iOS 10.  But we don't have builders below iOS 10, so it isn't a big issue.
If we ever get older builders, or someone wants to run all.bash on an
old iOS, they'll need to figure out the right incantation.

Update #24161
Update #26355

Change-Id: Ia3ace86b00486dc172ed00c0c6d668a95565bff7
Reviewed-on: https://go-review.googlesource.com/123959
Run-TryBot: Keith Randall <khr@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2018-07-15 06:06:38 +00:00
Keith Randall
a2419221fd misc/cgo/test: fix issue 24161 test for 1.11 and earlier
The test uses functions from C that were introduced in OSX 1.12.
Include stubs for those functions when compiling for 1.11 and earlier.
This test really a compile-time test, it doesn't matter much what the
executed code actually does.
Use a nasty #define hack to work around the fact that cgo doesn't
support static global variables.

Update #24161
Fixes #26355

Change-Id: Icf6f7bc9b6b36cacc81d5d0e033a2ebaff7e0298
Reviewed-on: https://go-review.googlesource.com/123715
Run-TryBot: Keith Randall <khr@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2018-07-13 00:03:31 +00:00
Keith Randall
b888a6227f cmd/cgo: fix cgo bad typedefs
Two fixes:

1) Typedefs of the bad typedefs should also not be rewritten to the
   underlying type.  They shouldn't just be uintptr, though, they should
   retain the C naming structure.  For example, in C:

   typedef const __CFString * CFStringRef;
   typedef CFStringRef SecKeyAlgorithm;

   we want the Go:

   type _Ctype_CFStringRef uintptr
   type _Ctype_SecKeyAlgorithm = _Ctype_CFStringRef

2) We need more types than just function arguments/return values.
   At least we need types of global variables, so when we see a reference to:

   extern const SecKeyAlgorithm kSecKeyAlgorithmECDSASignatureDigestX962SHA1;

   we know that we need to investigate the type SecKeyAlgorithm.
   Might as well just find every typedef and check the badness of all of them.
   This requires looping until a fixed point of known types is reached.
   Usually it takes just 2 iterations, sometimes 3.

Fixes #24161

Change-Id: I32ca7e48eb4d4133c6242e91d1879636f5224ea9
Reviewed-on: https://go-review.googlesource.com/123177
Run-TryBot: Keith Randall <khr@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
2018-07-12 19:15:12 +00:00
Richard Musiol
6fe7b43416 misc/wasm: free up memory on exit
Private fields of the Go class are not used any more after the program
has exited. Delete them to allow JavaScript's garbage collection to
clean up the WebAssembly instance.

Updates #26193.

Change-Id: I349784a49eaad0c22ceedd4f859df97132775537
Reviewed-on: https://go-review.googlesource.com/122296
Run-TryBot: Richard Musiol <neelance@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Paul Jolly <paul@myitcv.org.uk>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2018-07-11 10:22:17 +00:00
Richard Musiol
e97ef4127f syscall/js: add Value.Type
This commits adds Value.Type(), which returns the JavaScript type of
a Value.

The implementation uses two previously unused bits of the NaN payload
to encode type information.

Change-Id: I568609569983791d50d35b8d80c44f3472203511
Reviewed-on: https://go-review.googlesource.com/122375
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2018-07-09 22:51:14 +00:00
Keith Randall
94076feef5 cmd/cgo: check function argument/return types for bad C pointer types
We need to determine whether arguments to and return values from C
functions are "bad" typedef'd pointer types which need to be uintptr
on the Go side.

The type of those arguments are not specified explicitly. As a result,
we never look through the C declarations for the GetTypeID functions
associated with that type, and never realize that they are bad.
However, in another function in the same package there might be an
explicit reference. Then we end up with the declaration being uintptr
in one file and *struct{...} in another file. Badness ensues.

Fix this by doing a 2-pass algorithm. In the first pass, we run as
normal, but record all the argument and result types we see. In the
second pass, we include those argument types also when reading the C
types.

Fixes #24161

Change-Id: I8d727e73a2fbc88cb9d9899f8719ae405f59f753
Reviewed-on: https://go-review.googlesource.com/122575
Run-TryBot: Keith Randall <khr@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
2018-07-09 22:19:21 +00:00
Michael Munday
0268a63ffa misc/cgo/testcarchive: increase timeout duration in TestOsSignal
This test is slightly flaky on the s390x builder and I suspect that
the 100ms timeout is a little too optimistic when the VM is starved.
Increase the timeout to 5s to match the other part of the test.

Fixes #26231.

Change-Id: Ia6572035fb3efb98749f2c37527d250a4c779477
Reviewed-on: https://go-review.googlesource.com/122315
Run-TryBot: Michael Munday <mike.munday@ibm.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
2018-07-06 13:55:35 +00:00
Dan Kortschak
efea01788d testshared/src/depBase: conform build tag comment to convention
Also add missing copyright headers with year determined from git log.

Change-Id: Iafc9881e746543f0a582dad2b0874d8399baf618
Reviewed-on: https://go-review.googlesource.com/122415
Reviewed-by: Rob Pike <r@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Run-TryBot: Rob Pike <r@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2018-07-06 02:04:54 +00:00
Ian Lance Taylor
e2f8766c30 cmd/cgo: mark C result as written for msan
Otherwise it is possible that msan will consider the C result to be
partially initialized, which may cause msan to think that the Go stack
is partially uninitialized. The compiler will never mark the stack as
initialized, so without this CL it is possible for stack addresses to
be passed to msanread, which will cause a false positive error from msan.

Fixes #26209

Change-Id: I43a502beefd626eb810ffd8753e269a55dff8248
Reviewed-on: https://go-review.googlesource.com/122196
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2018-07-05 05:15:15 +00:00
John Leidegren
9e5fe6baf1 misc/wasm: use "self" instead of "window" in web worker contexts
There is no "window" global in a web worker context. Use "self" instead.

Fixes #26192

Change-Id: I6c6f3db6c3d3d9ca00a473f8c18b849bc07a0017
Reviewed-on: https://go-review.googlesource.com/122055
Run-TryBot: Richard Musiol <neelance@gmail.com>
Reviewed-by: Richard Musiol <neelance@gmail.com>
2018-07-05 01:42:17 +00:00
Paul Jolly
abaf53fb8e misc/wasm: use single map for string, symbol and object id mapping.
Currently we use a globally unique symbol property on objects that get
passed from JavaScript to Go to store a unique ID that Go then uses when
referring back to the JavaScript object (via js.Value.ref). This
approach fails however when a JavaScript object cannot be modified, i.e.
cannot have new properties added or is frozen. The test that is added as
part of this commit currently fails with:

  Cannot add property Symbol(), object is not extensible

Instead we consolidate the string, symbol and object unique ID mapping
into a single map. Map key equality is determined via strict equality,
which is the semantic we want in this situation.

Change-Id: Ieb2b50fc36d3c30e148aa7a41557f3c59cd33766
Reviewed-on: https://go-review.googlesource.com/121799
Run-TryBot: Paul Jolly <paul@myitcv.org.uk>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Richard Musiol <neelance@gmail.com>
2018-07-03 20:45:17 +00:00
Peter Gonda
23ce272bb1 cmd/cgo: permit missing dynamic symbol section
Allow static complication of cgo enabled libraries.

Fixes #16651

Change-Id: I0729ee4e6e5f9bd1cbdb1bc2dcbfe34463df547c
Reviewed-on: https://go-review.googlesource.com/89655
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
2018-07-02 17:50:00 +00:00
Cherry Zhang
28f9b880f6 misc/wasm: make sure value ref id is unique
For each Javascript object that returns to Go as a js.Value, we
associate the ref id to it. But if this ref id is copied or
inherited to other object, it would mess up the ref-object
mapping.

In storeValue, make sure the object is indeed the one we are
storing. Otherwise allocate a new ref id.

Fixes #26143.

Change-Id: Ie60bb2f8d1533da1bbe6f46045866515ec2af5a9
Reviewed-on: https://go-review.googlesource.com/121835
Run-TryBot: Cherry Zhang <cherryyz@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Richard Musiol <neelance@gmail.com>
2018-07-01 21:36:23 +00:00
Ian Lance Taylor
da769814b8 cmd/cgo: handle GCC 8 change in errors about constant initializers
Before GCC 8 C code like

const unsigned long long int neg = (const unsigned long long) -1;
void f(void) { static const double x = (neg); }

would get an error "initializer element is not constant". In GCC 8 and
later it does not.

Because a value like neg, above, can not be used as a general integer
constant, this causes cgo to conclude that it is a floating point
constant. The way that cgo handles floating point values then causes
it to get the wrong value for it: 18446744073709551615 rather than -1.
These are of course the same value when converted to int64, but Go
does not permit that kind of conversion for an out-of-range constant.

This CL side-steps the problem by treating floating point constants
with integer type as they would up being treated before GCC 8: as
variables rather than constants.

Fixes #26066

Change-Id: I6f2f9ac2fa8a4b8218481b474f0b539758eb3b79
Reviewed-on: https://go-review.googlesource.com/121035
Run-TryBot: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2018-06-29 23:22:48 +00:00
Ian Lance Taylor
f03ee913e2 misc/cgo/test: add retry loop around pthread_create in TestSigprocmask
This is the same retry loop we use in _cgo_try_pthread_create in runtime/cgo.

Fixes #25078

Change-Id: I7ef4d4fc7fb89cbfb674c4f93cbdd7a033dd8983
Reviewed-on: https://go-review.googlesource.com/121096
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2018-06-27 04:33:10 +00:00
Ian Lance Taylor
fbfd38c575 misc/cgo/test: skip Test18146 in short mode
Fixes #21219

Change-Id: I1a2ec1afe06586ed33a3a855b77536490cac3a38
Reviewed-on: https://go-review.googlesource.com/121115
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2018-06-27 04:31:53 +00:00
Richard Musiol
8997ec1c4e syscall/js: use stable references to JavaScript values
This commit changes how JavaScript values are referenced by Go code.
After this change, a JavaScript value is always represented by the same
ref, even if passed multiple times from JavaScript to Go. This allows
Go's == operator to work as expected on js.Value (strict equality).
Additionally, the performance of some operations of the syscall/js
package got improved by saving additional roundtrips to JavaScript code.

Fixes #25802.

Change-Id: Ide6ffe66c6aa1caf5327a2d3ddbe48fe7c180461
Reviewed-on: https://go-review.googlesource.com/120561
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2018-06-26 16:40:09 +00:00
Richard Musiol
9c35c1a503 syscall.js: add Value.InstanceOf
Change-Id: Icf56188fdb2b8ce6789830a35608203fdb9a3df6
Reviewed-on: https://go-review.googlesource.com/120560
Reviewed-by: Paul Jolly <paul@myitcv.org.uk>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2018-06-25 17:03:20 +00:00
Michael Hudson-Doyle
d6a27e8edc cmd/link: never coalesce type descriptors when dynamically linking Go
Add a test by making misc/cgo/testshared/src/trivial.go marginally less
trivial.

Fixes #25970.

Change-Id: I8815d0c56b8850fcdbf9b45f8406f37bd21b6865
Reviewed-on: https://go-review.googlesource.com/120235
Run-TryBot: Michael Hudson-Doyle <michael.hudson@canonical.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
2018-06-23 00:16:14 +00:00
Paul Jolly
4b3428998d misc/wasm: fix permissions on wasm_exec.js
Currently wasm_exec.js is executable (0755) yet has no interpreter.
Indeed wasm_exec.js is only ever used as an argument to Node or loaded
via a <script> tag in a browser-loaded HTML file.  Hence the execute
mode bits are superfluous and simply serve to clutter your PATH if
$GOROOT/misc/wasm is on your PATH (as is required if you want to run go
test syscall/js).

Change-Id: I279e2457094f8a12b9bf380ad7f1a9f47b22fc96
Reviewed-on: https://go-review.googlesource.com/120435
Run-TryBot: Paul Jolly <paul@myitcv.org.uk>
Reviewed-by: Daniel Martí <mvdan@mvdan.cc>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2018-06-21 22:55:55 +00:00
Ian Lance Taylor
29673a4be6 misc/cgo/test: avoid duplicate definition with gccgo
Current versions of gccgo issue a duplicate definition error when both
a definition and an empty declaration occur. Use build tags to avoid
that case for the issue9400 subdirectory.

Change-Id: I18517af87bab05e9ca43f2f295459cf34347c317
Reviewed-on: https://go-review.googlesource.com/119896
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2018-06-20 02:52:44 +00:00
Hiroshi Ioka
741dad28cb cmd/cgo: avoid name confliction for C functions
Use more cryptic names for local variables inside C function wrappers.

Fixes #23356

Change-Id: Ia6a0218f27a13be14f589b1a0facc9683d22ff56
Reviewed-on: https://go-review.googlesource.com/86495
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
Reviewed-by: Tobias Klauser <tobias.klauser@gmail.com>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
2018-06-18 18:28:02 +00:00
Fangming.Fang
ed99fcf1cf cmd/dist: run msan test only in testsanitizer on arm64
With latest gcc (7.3.0), misc/cgo/testsanitizer test will fail with reporting sigmentation
fault when running tsan test. On arm64, tsan is not supported currently and only msan test
can be run. So skip tsan test on arm64.

What needs to be pointed out is that msan test can be really run when setting clang
as c/c++ complier.

Fixes #25601

Change-Id: I6ab1a8d9edd243e2ee00ee40bc0abd6a0e6a125c
Reviewed-on: https://go-review.googlesource.com/114857
Reviewed-by: Bryan C. Mills <bcmills@google.com>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Run-TryBot: Bryan C. Mills <bcmills@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2018-06-15 14:04:32 +00:00
Richard Musiol
2809b339b5 syscall/js: improve import functions
1. Make import functions not use the js.Value type directly,
but only the ref field. This gives more flexibility on the Go side
for the js.Value type, which is a preparation for adding
garbage collection of js.Value.

2. Turn import functions which are methods of js.Value into
package-level functions. This is necessary to make vet happy.

Change-Id: I69959bf1fbea0a0b99a552a1112ffcd0c024e9b8
Reviewed-on: https://go-review.googlesource.com/118656
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2018-06-15 02:09:34 +00:00
Richard Musiol
adf72bbc9a misc/wasm: add stub for fs.openSync for browsers
This stub is necessary so the time package can fail to load
the timezone files in a nice way. It transitively makes the
log package work in browsers.

Change-Id: I4d360df82989d9b40cd31bb4508a6d057534443e
Reviewed-on: https://go-review.googlesource.com/118977
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2018-06-15 00:04:15 +00:00
Richard Musiol
e083dc6307 runtime, sycall/js: add support for callbacks from JavaScript
This commit adds support for JavaScript callbacks back into
WebAssembly. This is experimental API, just like the rest of the
syscall/js package. The time package now also uses this mechanism
to properly support timers without resorting to a busy loop.

JavaScript code can call into the same entry point multiple times.
The new RUN register is used to keep track of the program's
run state. Possible values are: starting, running, paused and exited.
If no goroutine is ready any more, the scheduler can put the
program into the "paused" state and the WebAssembly code will
stop running. When a callback occurs, the JavaScript code puts
the callback data into a queue and then calls into WebAssembly
to allow the Go code to continue running.

Updates #18892
Updates #25506

Change-Id: Ib8701cfa0536d10d69bd541c85b0e2a754eb54fb
Reviewed-on: https://go-review.googlesource.com/114197
Reviewed-by: Austin Clements <austin@google.com>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2018-06-14 21:50:53 +00:00
Ian Lance Taylor
3a7cbfaa40 cmd/cgo: add import path to hash
This avoids name conflicts when two identical packages use cgo.
This can happen in practice when the same package is vendored multiple
times in a single build.

Fixes #23555

Change-Id: I9f0ec6db9165dcf9cdf3d314c668fee8ada18f9c
Reviewed-on: https://go-review.googlesource.com/118739
Run-TryBot: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2018-06-13 23:36:03 +00:00
Ian Lance Taylor
b8dc931326 misc/cgo/test: add test for passing compatible typedefs
Fixes #23720

Change-Id: I28e0c16503bc043f793e0dab19668f7a66313312
Reviewed-on: https://go-review.googlesource.com/118737
Run-TryBot: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2018-06-13 23:08:56 +00:00
Richard Musiol
72ce047a6c misc/wasm: remove use of performance.timeOrigin
This commit changes wasm_exec.js to not depend on the existence of
performance.timeOrigin. The field is not yet supported on all
browsers, e.g. it is unavailable on Safari.

Change-Id: I6cd3834376c1c55424c29166fde1219f0d4d338f
Reviewed-on: https://go-review.googlesource.com/118617
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2018-06-13 14:51:01 +00:00
Lynn Boger
30a63ecee3 runtime: restore r2 when restoring state from gobuf in gogo on ppc64x
When using plugins with goroutines calling cgo, we hit a case where
an intermittent SIGSEGV occurs when referencing an address that is based
on r2 (TOC address). When the failure can be generated in gdb, the
contents of r2 is wrong even though the value in the current stack's
slot for r2 is correct. So that means it somehow switched to start
running the code in this function without passing through the beginning
of the function which had the correct value of r2 and stored it there.

It was noted that in runtime.gogo when the state is restored from
gobuf, r2 is not restored from its slot on the stack. Adding the
instruction to restore r2 prevents the SIGSEGV.

This adds a testcase under testplugin which reproduces the problem if
the program is run multiple times. The team who reported this problem
has verified it fixes the issue on their larger, more complex
application.

Fixes #25756

Change-Id: I6028b6f1f8775d5c23f4ebb57ae273330a28eb8f
Reviewed-on: https://go-review.googlesource.com/117515
Run-TryBot: Lynn Boger <laboger@linux.vnet.ibm.com>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2018-06-11 12:13:11 +00:00
Richard Musiol
96faeb0bb0 misc/wasm: set non-empty default for os.Args
os.Args is usually never empty and the flag package panics if it is.
This commit makes os.Args default to ["js"] for js/wasm.

Change-Id: Iba527145686487b052da438fca40159e57e61a81
Reviewed-on: https://go-review.googlesource.com/117475
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2018-06-08 21:07:22 +00:00
Richard Musiol
063f97a611 os: add js/wasm architecture
This commit adds the js/wasm architecture to the os package.

Access to the actual file system is supported through Node.js.

Updates #18892

Change-Id: I6fa642fb294ca020b2c545649d4324d981aa0408
Reviewed-on: https://go-review.googlesource.com/109977
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2018-06-01 05:18:38 +00:00
Yury Smolsky
57d40f1b27 test: remove rundircmpout and cmpout actions
This CL removes the rundircmpout action completely
because it is not used anywhere.

The run case already looks for output files. Rename the cmpout action
mentioned in tests to the run action and remove "cmpout" from run.go.

Change-Id: I835ceb70082927f8e9360e0ea0ba74f296363ab3
Reviewed-on: https://go-review.googlesource.com/115575
Run-TryBot: Yury Smolsky <yury@smolsky.by>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2018-05-31 17:36:45 +00:00
Elias Naur
7ba1c91dd9 misc/android: forward SIGQUIT to the process running on the device
When a test binary runs for too long, the go command sends it a
SIGQUIT to force a backtrace dump. On Android, the exec wrapper
will instead receive the signal and dump its backtrace.

Forward SIGQUIT signals from the wrapper to the wrapped process
to gain useful backtraces.

Inspired by issuse 25519; this CL would have revealed the hanging
test directly in the builder log.

Change-Id: Ic362d06940d261374343a1dc09366ef54edaa631
Reviewed-on: https://go-review.googlesource.com/114137
Run-TryBot: Elias Naur <elias.naur@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2018-05-23 18:18:39 +00:00
Ben Shi
5776bd558f misc/android: add a NL at the of README
There is no NL at the end of README, and that make it strange
when doing "cat misc/android/README".

Change-Id: Ib47953d7b16e8927a4d6be7d5be8de8f2ddbcc39
Reviewed-on: https://go-review.googlesource.com/114010
Reviewed-by: Elias Naur <elias.naur@gmail.com>
2018-05-23 05:54:14 +00:00
Richard Musiol
1771edb590 misc/wasm: make wasm_exec.js more flexible
This commit improves wasm_exec.js to give more control to the
code that uses this helper:
- Allow to load and run more than one Go program at the same time.
- Move WebAssembly.instantiate out of wasm_exec.js so the caller
  can optimize for load-time performance, e.g. by using
  instantiateStreaming.
- Allow caller to provide argv, env and exit callback.

Updates #18892

Change-Id: Ib582e6f43848c0118ea5c89f2e24b371c45c2050
Reviewed-on: https://go-review.googlesource.com/113515
Reviewed-by: Agniva De Sarker <agniva.quicksilver@gmail.com>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2018-05-18 18:16:50 +00:00
Richard Musiol
73b5951391 misc/wasm: fix passing large negative integers from JS to Go
This commit addresses a FIXME left in the code of wasm_exec.js to
properly get the upper 32 bit of a JS number to be stored as an
64-bit integer. A bitshift operation is not possible, because in
JavaScript bitshift operations only operate on the lower 32 bits.

Change-Id: I8f627fd604e592682d9d322942a4852db64a7f66
Reviewed-on: https://go-review.googlesource.com/113076
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2018-05-15 14:15:44 +00:00
Richard Musiol
db91ee3651 misc/wasm: pollute global JS namespace less
This commit changes wasm_exec.js so it only puts the single
name "go" into the global namespace. Other names became private
or were turned into a property/method of "go".

Change-Id: I633829dfd3c06936f092c0a14b9978bf855e41fe
Reviewed-on: https://go-review.googlesource.com/112980
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Reviewed-by: Agniva De Sarker <agniva.quicksilver@gmail.com>
2018-05-15 14:15:07 +00:00
Elias Naur
4122319e5a misc/ios: forward SIGQUIT to the iOS program
When running tests that fails to complete within the test timeout,
the go tool sends the test program a SIGQUIT signal to print
backtraces. However, for tests running with an exec wrapper, the
resulting backtraces will come from the exec wrapper process and
not the test program.

Change the iOS exec wrapper to forward SIGQUIT signals to the lldb
python driver and change the driver to forward the signals to the
running test on the device.

Before:

$ GOARCH=arm64 go test forever_test.go
lldb: running program
SIGQUIT: quit
PC=0x10816fe m=0 sigcode=0

goroutine 54 [syscall]:
syscall.Syscall6(0x7, 0x16ab, 0xc000033dfc, 0x0, 0xc000116f30, 0x0, 0x0, 0xc000116f30, 0x0, 0x1328820)
	/Users/elias/go-tip/src/syscall/asm_darwin_amd64.s:41 +0x5 fp=0xc000033d48 sp=0xc000033d40 pc=0x10816d5
syscall.wait4(0x16ab, 0xc000033dfc, 0x0, 0xc000116f30, 0x90, 0x1200e00, 0x1)
	/Users/elias/go-tip/src/syscall/zsyscall_darwin_amd64.go:34 +0x7b fp=0xc000033dc0 sp=0xc000033d48 pc=0x107e4eb
syscall.Wait4(0x16ab, 0xc000033e4c, 0x0, 0xc000116f30, 0xc0000fd518, 0x0, 0x0)
	/Users/elias/go-tip/src/syscall/syscall_bsd.go:129 +0x51 fp=0xc000033e10 sp=0xc000033dc0 pc=0x107b7b1
os.(*Process).wait(0xc00008d440, 0x1095e2e, 0xc0000fd518, 0x0)
	/Users/elias/go-tip/src/os/exec_unix.go:38 +0x7b fp=0xc000033e80 sp=0xc000033e10 pc=0x109af2b
os.(*Process).Wait(0xc00008d440, 0xc000033fb0, 0x10, 0x11d1f00)
	/Users/elias/go-tip/src/os/exec.go:125 +0x2b fp=0xc000033eb0 sp=0xc000033e80 pc=0x109a47b
os/exec.(*Cmd).Wait(0xc0000b1ce0, 0xc000033f90, 0x11394df)
	/Users/elias/go-tip/src/os/exec/exec.go:463 +0x5b fp=0xc000033f28 sp=0xc000033eb0 pc=0x1136f0b
main.startDebugBridge.func1(0xc0000b1ce0, 0xc0000b8ae0, 0xc0000e2a80)
	/Users/elias/go-tip/misc/ios/go_darwin_arm_exec.go:314 +0x40 fp=0xc000033fc8 sp=0xc000033f28 pc=0x11a1980
runtime.goexit()
	/Users/elias/go-tip/src/runtime/asm_amd64.s:1360 +0x1 fp=0xc000033fd0 sp=0xc000033fc8 pc=0x10565a1
created by main.startDebugBridge
	/Users/elias/go-tip/misc/ios/go_darwin_arm_exec.go:313 +0x15f

...

After:

$ GOARCH=arm64 go test forever_test.go
lldb: running program
=== RUN   TestForever
SIGQUIT: quit
PC=0x100144e24 m=0 sigcode=0

...

goroutine 19 [select (no cases)]:
command-line-arguments.TestForever(0x1300b60f0)
	/Users/elias/go-tip/src/forever_test.go:6 +0x18
testing.tRunner(0x1300b60f0, 0x100211aa0)
	/Users/elias/go-tip/src/testing/testing.go:795 +0xa8
created by testing.(*T).Run
	/Users/elias/go-tip/src/testing/testing.go:840 +0x22c

...

Change-Id: I6b3cf1662d07a43ade0530842733b0944bee1ace
Reviewed-on: https://go-review.googlesource.com/112676
Run-TryBot: Elias Naur <elias.naur@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Hyang-Ah Hana Kim <hyangah@gmail.com>
2018-05-11 16:47:28 +00:00
Elias Naur
25f73db0b6 misc/ios: update documentation for running iOS programs and tests
Change-Id: I8e3077ab9c7dff66877ac00dc4600b53c07eb1f8
Reviewed-on: https://go-review.googlesource.com/112655
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2018-05-10 18:01:20 +00:00
Ben Shi
f95ef94ad5 misc/android: add more information to README
Add more information to misc/android/README for developing
arm and arm64 with an Android environment.

Change-Id: I0c88996b6ab0c41946a2c7e69e9c92ec7bb3be27
Reviewed-on: https://go-review.googlesource.com/112276
Reviewed-by: Elias Naur <elias.naur@gmail.com>
2018-05-10 14:44:52 +00:00
Elias Naur
66cb80c266 misc/ios: inject the -u device_id option before any other arguments
The idevicedebugserverproxy command takes a port number without a
flag, like so:

idevicedebugserverproxy 3222

If the -u <device_id> flag is added afterwards, it is ignored and
the command use an arbitrary device. Instead, always inject the -u
flag before any other idevice command arguments.

While here, also kill any leftover idevicedebugserverproxy instance
previous (failed) runs might have left running.

Change-Id: I0bf06ed1a20ef225abeca183f9ba8f396662d435
Reviewed-on: https://go-review.googlesource.com/112216
Run-TryBot: Elias Naur <elias.naur@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2018-05-09 07:16:07 +00:00
Elias Naur
704893b16b misc/ios: retry iOS launch even if no device app path was found
Now that the iOS exec wrapper uninstalls any existing test app before
installing a new, looking up the device app path might fail. Before,
the lookup always succeeded (even though the path reported might be
stale).

For the iOS builder.

Change-Id: I5667b6fae15f88745bdee796db219a429a26e203
Reviewed-on: https://go-review.googlesource.com/112075
Run-TryBot: Elias Naur <elias.naur@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Hyang-Ah Hana Kim <hyangah@gmail.com>
2018-05-08 15:00:57 +00:00
Richard Musiol
35ea62468b runtime: add js/wasm architecture
This commit adds the js/wasm architecture to the runtime package.
Currently WebAssembly has no support for threads yet, see
https://github.com/WebAssembly/design/issues/1073. Because of that,
there is no preemption of goroutines and no sysmon goroutine.

Design doc: https://docs.google.com/document/d/131vjr4DH6JFnb-blm_uRdaC0_Nv3OUwjEY5qVCxCup4
About WebAssembly assembly files: https://docs.google.com/document/d/1GRmy3rA4DiYtBlX-I1Jr_iHykbX8EixC3Mq0TCYqbKc

Updates #18892

Change-Id: I7f12d21b5180500d55ae9fd2f7e926a1731db391
Reviewed-on: https://go-review.googlesource.com/103877
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Austin Clements <austin@google.com>
2018-05-08 00:17:34 +00:00
Richard Musiol
f41dc711d8 cmd/link: add wasm architecture
This commit adds the wasm architecture to the link command.

Design doc: https://docs.google.com/document/d/131vjr4DH6JFnb-blm_uRdaC0_Nv3OUwjEY5qVCxCup4

Updates #18892

Change-Id: I5aef29954984537f2979679b5d393209e462f564
Reviewed-on: https://go-review.googlesource.com/103795
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Cherry Zhang <cherryyz@google.com>
2018-05-07 23:29:33 +00:00
Elias Naur
9b16b9c7f9 misc/ios: uninstall app before installing it
Tests can fail because there is leftover data from a previous run.
For example:

--- FAIL: TestRemoveAll (0.00s)
	path_test.go:96: RemoveAll "/private/var/mobile/Containers/Data/Application/66247524-5ED7-45A4-82AA-6BF15D6078B2/tmp//_TestRemoveAll_" (first): open /private/var/mobile/Containers/Data/Application/66247524-5ED7-45A4-82AA-6BF15D6078B2/tmp//_TestRemoveAll_/dir: permission denied
FAIL
FAIL	os	31.275s

There seem to be no way to simply clear the app data for an app
short of uninstalling it, so do that.

This change in effect undoes CL 106676, which means that running iOS
is a little slower again, and that another app from the same
apple developer account must be present on the device for our app
install to succeed.

Change-Id: Iacc3a6f95c93568f4418db45e1098c7c7fdb88e0
Reviewed-on: https://go-review.googlesource.com/111795
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2018-05-07 19:22:23 +00:00
Elias Naur
164718ae2a misc/ios: improve detection of missing developer image
It turns out that a non-empty result from ideviceimagemounter does
not mean an image is mounted. Use ideviceimagemounter's xml output
mode to improve the check.

Also, iOS versions are reported as major.minor or major.minor.patch.
Developer images are only specific to major.minor version, so cut
off the patch number in the search, if present.

Change-Id: Ia182e6f4655b7e6aa6feb8005cd3b533535b73cd
Reviewed-on: https://go-review.googlesource.com/111235
Run-TryBot: Elias Naur <elias.naur@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Hyang-Ah Hana Kim <hyangah@gmail.com>
2018-05-04 05:47:22 +00:00
Richard Musiol
7b83636800 syscall/js: add package
This commit adds the syscall/js package, which is used by the wasm
architecture to access the WebAssembly host environment (and the
operating system through it). Currently, web browsers and Node.js
are supported hosts, which is why the API is based on JavaScript APIs.
There is no common API standardized in the WebAssembly ecosystem yet.

This package is experimental. Its current scope is only to allow
tests to run, but not yet to provide a comprehensive API for users.

Updates #18892

Change-Id: I236ea10a70d95cdd50562212f2c18c3db5009230
Reviewed-on: https://go-review.googlesource.com/109195
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2018-05-03 18:00:07 +00:00
Elias Naur
4704149e04 misc/ios: retry lldb launch if the iOS app is busy
Sometimes, a newly installed the test app is not ready to launch
or the reported app path is stale. Pause and retry the launch if
the lldb script did not run the program.

Change-Id: Ic7745d4b5a02f2e3cb8134341859039812f65a65
Reviewed-on: https://go-review.googlesource.com/111216
Run-TryBot: Elias Naur <elias.naur@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2018-05-03 15:23:13 +00:00
Elias Naur
64f715beb6 misc/ios: clean up debugger instance on failure
Also replace repeated `or` clauses with the Python idiomatic list
operator `in`.

Change-Id: I4b178f93eb92996d8b5449ee5d252543624aed9e
Reviewed-on: https://go-review.googlesource.com/111215
Run-TryBot: Elias Naur <elias.naur@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2018-05-03 15:15:27 +00:00